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부트 스트랩이있는 스크롤 가능 메뉴-컨테이너가 확장되어서는 안되는 메뉴
부트 스트랩으로 스크롤 가능한 메뉴를 활성화하기 위해이 방법 ( 피들 )을 시도했지만 그 접근 방식으로 스크롤 가능한 메뉴는 컨테이너를 확장합니다- 바이올린 -스크롤 할 수없는 메뉴는 올바르게 수행하지 않습니다.
이 문제를 어떻게 해결할 수 있습니까? Bootstrap과 호환되는 다른 접근 방식에 대한 제안도 환영합니다!
참고로, 다음은 첫 번째 메소드 바이올린의 HTML입니다.
<ul class="nav">
<li class="dropdown">
<a class="icon-key icon-white" data-toggle="dropdown" href="#" style=
"font-weight: bold"></a>
<div class="dropdown-menu" style="margin-left: 2em">
<ul class="dropdown-menu">
<!-- static non-scrollable menu header 1 -->
</ul>
</div>
<div class="dropdown-menu" style="margin-left: 2em">
<ul class="dropdown-menu">
<li class="disabled">
<a href="#"><i class="icon-group"></i> <b>My Groups</b></a>
</li>
<li>
<div class="dropdown-menu scroll-menu scroll-menu-2x"
style="margin-left: 2em">
<ul class="dropdown-menu scroll-menu scroll-menu-2x">
<li>
<a href="#">User</a>
</li>
<li>
<a href="#">Administrators</a>
</li>
<li>
<a href="#">Some Other Group</a>
</li>
</ul>
</div>
<ul class="dropdown-menu scroll-menu scroll-menu-2x">
<!-- Additional menu items omitted for brevity -->
</ul>
</li>
</ul>
</div>
<div class="dropdown-menu" style="margin-left: 2em">
<ul class="dropdown-menu">
<!-- static non-scrollable menu header 2 -->
</ul>
</div>
<div class="dropdown-menu" style="margin-left: 2em">
<ul class="dropdown-menu">
<li class="disabled">
<a href="#"><i class="icon-user"></i> <b>My Roles</b></a>
</li>
<li>
<div class="dropdown-menu scroll-menu scroll-menu-2x"
style="margin-left: 2em">
<ul class="dropdown-menu scroll-menu scroll-menu-2x">
<li>
<a href="#">Core Users</a>
</li>
<li>
<a href="#">Admin</a>
</li>
<li>
<a href="#">Some Other Role</a>
</li>
</ul>
</div>
<ul class="dropdown-menu scroll-menu scroll-menu-2x">
<!-- Additional menu items omitted for brevity -->
</ul>
</li>
</ul>
</div>
<div class="dropdown-menu" style="margin-left: 2em">
<ul class="dropdown-menu">
<!-- static non-scrollable menu footer -->
</ul>
</div>
<ul class="dropdown-menu">
<li class="disabled">
<a href="#"><i class="icon-chevron-up pull-left"></i> <i class="icon-chevron-up pull-right"></i></a>
</li>
</ul>
</li>
</ul>
그리고 CSS :
/* So we wont impact the original bootstrap menu or it's pseudo call-out
arrow the menu is wrapped in a sub dropdown-menu with a chained scroll-menu */
ul.scroll-menu {
position:relative;
display:inherit!important;
overflow-x:auto;
-webkit-overflow-scrolling:touch;
-moz-overflow-scrolling:touch;
-ms-overflow-scrolling:touch;
-o-overflow-scrolling:touch;
overflow-scrolling:touch;
top:0!important;
left:0!important;
width:100%;
height:auto;
max-height:500px;
margin:0;
border-left:none;
border-right:none;
-webkit-border-radius:0!important;
-moz-border-radius:0!important;
-ms-border-radius:0!important;
-o-border-radius:0!important;
border-radius:0!important;
-webkit-box-shadow:none;
-moz-box-shadow:none;
-ms-box-shadow:none;
-o-box-shadow:none;
box-shadow:none
}
필요한 CSS 속성을 특수 스크롤 가능 메뉴 클래스에 추가하여 이것을 단순화 할 수 있다고 생각합니다.
CSS :
.scrollable-menu {
height: auto;
max-height: 200px;
overflow-x: hidden;
}
HTML
<ul class="dropdown-menu scrollable-menu" role="menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li><a href="#">Action</a></li>
..
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
</ul>
실제 예 : https://www.bootply.com/86116
부트 스트랩 4
flexbox를 사용하는 Bootstrap 4의 다른 예
You can use the built-in CSS class pre-scrollable in bootstrap 3 inside the span element of the dropdown and it works immediately without implementing custom css.
<ul class="dropdown-menu pre-scrollable">
<li>item 1 </li>
<li>item 2 </li>
</ul>
For CSS, I found that max height of 180 is better for mobile phones landscape 320 when showing browser chrome.
.scrollable-menu {
height: auto;
max-height: 180px;
overflow-x: hidden;
}
Also, to add visible scrollbars, this CSS should do the trick:
.scrollable-menu::-webkit-scrollbar {
-webkit-appearance: none;
width: 4px;
}
.scrollable-menu::-webkit-scrollbar-thumb {
border-radius: 3px;
background-color: lightgray;
-webkit-box-shadow: 0 0 1px rgba(255,255,255,.75);
}
The changes are reflected here: https://www.bootply.com/BhkCKFEELL
Do everything in the inline of UL tag
<ul class="dropdown-menu scrollable-menu" role="menu" style="height: auto;max-height: 200px; overflow-x: hidden;">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li><a href="#">Action</a></li>
..
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
</ul>
I just fix this problem in my project-
CSS code
.scroll-menu{
min-width: 220px;
max-height: 90vh;
overflow: auto;
}
HTML code
<ul class="dropdown-menu scroll-menu" role="menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li><a href="#">Action</a></li>
..
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
</ul>
i hope this code is work well,try this.
add css file.
.scrollbar {
height: auto;
max-height: 180px;
overflow-x: hidden;
}
HTML code:
<div class="col-sm-2 scrollable-menu" role="menu">
<div>
<ul>
<li><a class="active" href="#home">Tutorials</a></li>
<li><a href="#news">News</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="#about">About</a></li>
<li><a href="#news">News</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="#about">About</a></li>
<li><a href="#news">News</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="#about">About</a></li>
<li><a href="#news">News</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="#about">About</a></li>
<li><a href="#news">News</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="#about">About</a></li>
</ul>
</div>
</div>
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